Google Drive v3 API NodeJs get folder by name if exists or create a new one otherwise

getFolderByName.js

let folderId
const parentFolderId = ''
const folderName = ''
// Check if folder already exists
const folderSearch = await drive.files.list({
  q: `mimeType = 'application/vnd.google-apps.folder' and name = '${folderName}' and '${parentFolderId}' in parents`,
  fields: 'nextPageToken, files(id, name)',
  spaces: 'drive'
})

if (folderSearch.data.files.length) {
  // Folder already exists
  folderId = folderSearch.data.files[0].id
  console.log('Already exists', folderId)
} else {
  // Folder does not exist so create
  const newFolder = await drive.files.create({
    resource: {
      name: folderName,
      mimeType: 'application/vnd.google-apps.folder',
      parents: [parentFolderId]
    },
    fields: 'id'
  })
  folderId = newFolder.data.id
  console.log('Not exist, created', folderId)
}